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|    BAMA    |    Science Research Echo    |    1,586 messages    |
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|    Message 371 of 1,586    |
|    Roger Nelson to All    |
|    The Surprising Appeal of a Cloudy Eclips    |
|    23 Nov 12 15:37:09    |
      Hello All!              The Surprising Appeal of a Cloudy Eclipse               This is a personal eye-witness account of the Nov. 14th solar eclipse by       Science@NASA production editor Tony Phillips.              Nov. 23, 2012: Astrophysicist and legendary eclipse chaser Fred Espenak has a       rating scheme for natural wonders. "On a scale of 1 to 10," he says, "total       eclipses are a million."              Apparently, this is true even when the eclipse is almost completely clouded       out.               http://www.youtube.com/watch?v=Hn5nKlMY5cI              The total eclipse of Nov. 14, 2012, seen through clouds over Yorkeys Beach in       Queensland, Australia. Credit and copyright: Stephen Mudge Last week, I       experienced such an eclipse on Four Mile Beach outside the resort town of Port       Douglas in Queensland, Australia. For years, tourists, astronomers and eclipse       chasers had been anticipating a fantastic show over the Coral Sea on Nov. 14,       2012. Just after daybreak, the Moon would pass directly in front of the       low-hanging sun, producing a total eclipse in plain view of many resort towns       along the coast. More than a hundred thousand people (me and my family       included) converged to witness the event.               The night before the eclipse was crystal clear, with all of the stars of the       southern sky twinkling brightly overhead. As dawn broke, however, there were       clouds on the horizon, and by 6:30 am local time, less than 10 minutes before       totality, thousands of people on the beach watched in dismay as a patchy bank       of fluffy white clouds rolled right in front of the sun.              That's when I learned that even a cloudy eclipse is off the scale.              Even as we were urgently wishing the clouds away, I realized their benefit:       Clouds act as a natural filter. The partially-eclipsed sun burned an auburn       crescent through the gray fluff overhead. Onlookers unwisely but irresistibly       took off their eclipse glasses for the kind of direct view that would have       been impossible under clear skies. It was mesmerizing.              At that point, only one thing could tear our eyes off the sky: The arrival of       the Moon's shadow. We felt it before we saw it. Even at 6:30 in the morning,       the beach was hot and humid. Suddenly, we were enveloped by an unexpected       chill. We looked around to see the landscape rapidly darkening. Tropical       birds that had been flitting noisily back and forth in the canopy of nearby       trees paused, and an otherworldly silence descended on the beach.               http://science.nasa.gov/media/medialibrary/2012/11/23/totality_strip2.jpg              http://science.nasa.gov/science-news/science-at-nasa/2012/23nov_cloudyeclipse/              The eclipsed sun beams through clouds over Queensland Australia on Nov. 14,       2012. Note the crescent shape of the internal reflection just above the       photographer's right elbow. Photo credit: Tony Phillips        The operative word is "otherworldly." The Moon's shadow lances more than a       quarter million miles across the dark vacuum of space, and when it lands on a       beach in Australia, it seems to bring a bit of the silent cold with it.       Something undeniably cosmic was in the air.               At that moment, with the tide surging around our feet, the clouds parted to       reveal the Moon and sun in almost perfect alignment. Through a tiny gap, we       watched the thin, bright crescent narrow and vanish. The solar corona popped       out around the black lunar disk, just like the centerfold of an astronomy       textbook.              I turned to my daughter, 16 year old Amelia, and involuntarily cried out in a       loud voice, "Oh my God, look!" (As if she wasn't already.)               The beach erupted in cries of delight for ... one-one thousand, two-one       thousand, three one-thousand ... a long count of three, and then the clouds       closed again. The eclipse vanished.               Totality was supposed to last two minutes, and we had only seen three seconds       of it. Remarkably, no one seemed to mind. Along the Four Mile Beach,       thousands of people stood in the cool center of the Moon's shadow, wrapped in       lunar darkness, staring mesmerized at the cloudy spot where the eclipse was       playing out behind a puffy gray veil of water droplets. One brief glimpse of       the sun's corona had sent an electric jolt through the crowd, and we were       frozen to the spot.              One minute and 57 seconds later (an interval that seemed much shorter) the       Moon slid off the solar disk. The clouds abruptly blossomed with light. It       looked like an explosion had taken place in the atmosphere not far above our       heads. Iridescent colors appeared around the edge of the clouds as water       droplets diffracted the rays of surging light.              I'm pretty sure that no one on the beach was disappointed.              As totality ended, the dark core of the moon's shadow swept off the beach,       kicking off a fast 9000 mile journey across the uninhabited south Pacific.       Birds started singing again as we rubbed our arms to hasten away the departing       cold.               http://science.nasa.gov/media/medialibrary/2012/11/23/glasses_med.jpg              "Watch out for that tree!" (Running a marathon through the rain forest while       wearing eclipse glasses.) There was only one last thing to do: Run a marathon.              For the first time ever, runners had organized a 26.2 mile race with an       eclipse as its starting gun. The end of totality was our signal to assemble       at the starting line and high-tail it through the verdant forests and cane       fields of northeast Queensland. My running partner was NASA's rubber chicken       Camilla, who would complete the marathon in support of the space agency's       "Train Like an Astronaut" program, the first rubber chicken to accomplish such       a feat.              The partial eclipse was still underway as hundreds of runners flooded through       the starting gate, so most of the athletes still had their eclipse glasses       with them. As the clouds dispersed, we could look up and see the sun reshape       itself from a thin sliver to a fat crescent, and ultimately a complete circle       again. Experienced runners are accustomed to seeing empty packets of energy       gels littering the path of long races. In this marathon, the path was lined       instead with discarded eclipse glasses.              Before long, the sky was completely clear and the hot Australian sun beamed       down on the runners. Temperatures climbed to nearly 90 degrees, and the       Queensland humidity pushed the Heat Index close to 100 F. We were definitely       missing our clouds! To combat the heat, I remembered the feel of the Moon's       cool shadow and in my mind replayed over and over again the three seconds of       totality I had witnessed--a mental movie that was still playing when Camilla       and I crossed the finish line more than 4 hours later. Even now, I can't       quite get it out of my mind.              Maybe a million is an underestimate, after all.                      Author: Dr. Tony Phillips| Production editor: Dr. Tony Phillips | Credit:       Science@NASA              More Information        NASA's Solar Eclipse Home Page       Train Like an Astronaut -- a fitness program from NASA               NASA's Cure for a Common Phobia -- learn more about the rubber chicken that       ran the Solar Eclipse Marathon               Camilla the Rubber Chicken on Facebook, Google+, and Twitter                             Regards,              Roger        --- timEd/386 1.10.y2k+        * Origin: NCS BBS - Houma, LoUiSiAna - (1:3828/7)    |
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